CN105715402B - A kind of Cooling Water Jacket of Cylinder Head structure and cylinder head - Google Patents
A kind of Cooling Water Jacket of Cylinder Head structure and cylinder head Download PDFInfo
- Publication number
- CN105715402B CN105715402B CN201610079400.5A CN201610079400A CN105715402B CN 105715402 B CN105715402 B CN 105715402B CN 201610079400 A CN201610079400 A CN 201610079400A CN 105715402 B CN105715402 B CN 105715402B
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- Prior art keywords
- cylinder head
- cooling water
- valve
- water cavity
- cooling
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
- F02F1/40—Cylinder heads having cooling means for liquid cooling cylinder heads with means for directing, guiding, or distributing liquid stream
Abstract
The present invention relates to cylinder head cooling technology fields, disclose a kind of Cooling Water Jacket of Cylinder Head structure, the cooling water cavity is divided into upper layer water cavity and lower layer's water cavity by partition board, the upper layer water cavity is connected to lower layer water cavity by dispensing orifice, the dispensing orifice is equipped with distribution ear control cooling water distribution, the entrance of dispensing orifice is equipped with guiding cambered surface simultaneously, and lower layer's water cavity is rushed at from upper layer water cavity by the guiding cambered surface guide cooling water, makes the bottom plate flowing of cooling water fitting cylinder head；The present invention also provides a kind of cylinder head using above-mentioned cooling water cavity structure.Structure of the invention reasonable design can improve the cooling capacity and efficiency of cylinder head.
Description
Technical field
The present invention relates to cylinder head cooling technology fields, more particularly to a kind of Cooling Water Jacket of Cylinder Head structure and cylinder
Lid.
Background technology
With the raising that diesel engine strengthening degree and dynamic property require, traditional Cooling Water Jacket of Cylinder Head structure cooling efficiency
It is low, it cannot effectively reduce the thermic load of cylinder cap.At present the country be not applied to explosion pressure 25MPa, power per liter 40kW/L it is cold
But water cavity structure and corresponding large-scale diesel engine cylinder head.
Current Cooling Water Jacket of Cylinder Head structure cannot meet the cooling of the high reinforcing degree of the project and require, cooling insufficient
Cylinder head fire deck and exhaust duct can be caused the excessively high failure of fire check, valve guide bushing temperature occur, lead to cylinder head and distribution
Failure mechanisms, discharge are undesirable.
Invention content
(1) technical problems to be solved
The technical problem to be solved by the present invention is to how improve the cooling capacity of cylinder head and efficiency.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of Cooling Water Jacket of Cylinder Head structure, the cooling water cavity by
Partition board is divided into upper layer water cavity and lower layer's water cavity, and the upper layer water cavity is connected to lower layer water cavity by dispensing orifice, the dispensing orifice
Equipped with distribution ear control cooling water distribution, and the entrance of dispensing orifice is equipped with guiding cambered surface, is guided by the guiding cambered surface cold
But water flows to lower layer's water cavity from upper layer water cavity, makes the bottom plate flowing of cooling water fitting cylinder head.
Wherein, the cooling water cavity is internally provided with Four valve, and the cooling water cavity is distributed along the Four valve in matrix pattern,
Ridge area is equipped between valve described in each adjacent two, each ridge area is equipped with the ridge area channel being laterally arranged, described
Dispensing orifice passes through the middle part of the Four valve, and is connected to each ridge area channel, cools down flow from the dispensing orifice stream
Valve surrounding is flowed to through the ridge area channel.
Wherein, the ridge area channel is set to the lower water intracavitary.
Wherein, the Four valve by inlet air flow to being divided into two inlet valves and two exhaust valves, the circumferential direction of the dispensing orifice
The flow assignment channel being arranged along its length equipped with three, three flow assignment channels respectively with two exhausts
Ridge area channel between door is connected to, and two ridge areas channel between the inlet valve and exhaust valve is connected to.
Wherein, three flow assignment channels are located at the top in the corresponding ridge area channel, and the flow point
Lower end with channel is connected with the inlet transition in the corresponding ridge area channel.
Wherein, the flow area in the ridge area channel between two exhaust valves is respectively greater than two air inlets
The flow area in two ridge areas channel between door and exhaust valve.
Wherein, the outside wall surface of each valve is set as the arcwall face of evagination.
Wherein, the outside wall surface of the valve is equipped with the cooling cavity of annular for surrounding the outside wall surface.
Wherein, the cooling cavity of the annular is located at the upper water intracavitary.
The present invention also provides a kind of cylinder head, are equipped with the Cooling Water Jacket of Cylinder Head structure described in above-mentioned technical proposal.
(3) advantageous effect
Compared with prior art, the present invention has the following advantages：
A kind of Cooling Water Jacket of Cylinder Head structure and cylinder head provided by the invention, on the cooling water cavity is divided by partition board
Layer water cavity and lower layer's water cavity so that whole flows flow through the bottom plate of cylinder head, and the upper layer water cavity passes through distribution with lower layer's water cavity
Hole is connected to, and the dispensing orifice is equipped with distribution ear control cooling water distribution, accurately controls cooling water flow distribution；While dispensing orifice
Entrance is equipped with guiding cambered surface, and lower layer's water cavity is rushed at from upper layer water cavity by the guiding cambered surface guide cooling water, utilizes top certainly
Downward impact flow cooling air cylinder head plate makes the bottom plate flowing of cooling water fitting cylinder head, to reinforce the cooling of the bottom plate
Effect, to which cylinder head cooling capacity and efficiency greatly improved.
Description of the drawings
Fig. 1 is a kind of front view of Cooling Water Jacket of Cylinder Head structure of the present invention；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is the structure schematic top plan view of lower layer's water cavity of the present invention；
Fig. 4 is the cross-sectional view of dispensing orifice of the present invention and flow assignment channel；
Fig. 5 is the schematic top plan view of valve cooling structure in the water cavity of upper layer.
In figure：1：Upper layer water cavity；2：Lower layer's water cavity；3：Dispensing orifice；4：Guide cambered surface；5：Fire deck；6：Inlet valve；7：Row
Valve；8：Ridge area channel；9：Flow assignment channel；10：The cooling cavity of annular.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Following instance
For illustrating the present invention, but it is not limited to the scope of the present invention.
In the description of the present invention, it should be noted that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As depicted in figs. 1 and 2, be a kind of Cooling Water Jacket of Cylinder Head structure provided by the invention, the cooling water cavity by every
Plate is divided into upper layer water cavity 1 and lower layer's water cavity 2, and whole flows flow through the lower plate i.e. fire deck 5 of cylinder head, reinforce fire deck 5
Cooling effect separates with partition board while also having the booster action of the rigidity and intensity that increase cylinder head；The upper layer water cavity 1 with
Lower layer's water cavity 2 is connected to by dispensing orifice 3, and the dispensing orifice 3 is equipped with distribution ear and accurately controls cooling water flow distribution, and described point
The entrance of distribution 3 is equipped with guiding cambered surface 4, and shown in Fig. 2, the guiding cambered surface 4 is gradually to be received from the opening of dispensing orifice 3
Contracting seamlessly transits cambered surface, flows to lower layer's water cavity 2 from upper layer water cavity 1 by 4 guide cooling water of guiding cambered surface, makes cooling water
It is bonded the bottom plate flowing of cylinder head, the fire deck 5 of cylinder head is cooled down using top-down impact flow, makes most of cooling water
It is bonded fire deck 5 to flow, reinforces the cooling effect of fire deck 5, to improve the cooling capacity and efficiency of cylinder head.
As shown in figure 3, the cooling water cavity is internally provided with Four valve, the cooling water cavity is in matrix pattern along the Four valve
It is distributed, ridge area is equipped between valve described in each adjacent two, each ridge area, which is equipped with, is laterally arranged the (length along ridge area
Spend direction) ridge area channel 8, the dispensing orifice 3 pass through the Four valve middle part, and with each ridge area channel 8
Connection, cooling flow flows through the ridge area channel 8 from the dispensing orifice 3 and flows to valve surrounding, to distribute cooling water stream
To each valve, to improve the cooling uniformity and cooling efficiency, to effectively reduce the thermic load of cylinder head.
In actual operation, the thermic load bigger that the lower part of cylinder head is born, the ridge area channel 8 are set to the lower layer
In water cavity 2, in order to be cooled down mainly for the lower part of cylinder head, to make full use of cooling resource.
Wherein, the Four valve by inlet air flow to being divided into two side-by-side inlet valve 6 and two side-by-side exhaust valve 7, into
Amount of cooling water needed for valve 6 is few, as shown in figure 4, the dispensing orifice 3 is circumferentially with three flows being arranged along its length
Assignment channel 9, ridge area channel 8 of three flow assignment channels 9 respectively between two exhaust valves 7 are connected to, with
And two ridge areas channel 8 between two inlet valves 6 and exhaust valve 7 is connected to；It is realized on demand with controlling flow area
It is cooling, to improve cooling efficiency and the uniformity, specifically, it is located at the circulation in the ridge area channel 8 between two exhaust valves 7
Section is respectively greater than the flow area in two ridge areas channel 8 between two inlet valves 6 and exhaust valve 7, makes more
Cooling water, which is assigned to, needs cooling exhaust valve 7.
In the present invention, flow flows from the top to the bottom, to which three flow assignment channels 9 are set to the corresponding nose
The top in the channels Liang Qu 8, and the inlet transition of the lower end of the flow assignment channel 9 and the corresponding ridge area channel 8
Connection, to facilitate flow to distribute.
For the optimal design-aside of structure, the outside wall surface of each valve is set as the arcwall face of evagination, as shown in figure 5,
The outside wall surface of the valve is equipped with the cooling cavity 10 of annular for surrounding the outside wall surface, and cooling water is by the cooling cavity 10 of annular with right
The outside wall surface of valve is cooled down, so as to be fully cooled valve guide bushing.Specifically, the cooling cavity 10 of the annular is located at institute
It states in upper layer water cavity 1, to be cooled down mainly for the valve guide bushing in upper layer water cavity 1.
The present invention also provides a kind of cylinder head, are equipped with the Cooling Water Jacket of Cylinder Head structure described in above-mentioned technical proposal,
Allow it to meet the cooling of the cylinder cover for diesel engine of power per liter 40kW/L to require.
As can be seen from the above embodiments, structure of the invention is novel in design, easily manufactured, and improves cylinder head cooling
Ability and efficiency.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of Cooling Water Jacket of Cylinder Head structure, which is characterized in that the cooling water cavity is divided into upper layer water cavity under by partition board
Layer water cavity, the upper layer water cavity are connected to lower layer water cavity by dispensing orifice, and the dispensing orifice is equipped with distribution ear control cooling moisture
Match, and the entrance of dispensing orifice is equipped with guiding cambered surface, and lower layer is flowed to from upper layer water cavity by the guiding cambered surface guide cooling water
Water cavity makes the bottom plate flowing of cooling water fitting cylinder head；The cooling water cavity is internally provided with Four valve, and the cooling water cavity is along institute
It states Four valve to be distributed in matrix pattern, ridge area is equipped between valve described in each adjacent two, each ridge area is equipped with laterally
The ridge area channel of setting, the dispensing orifice pass through the middle part of the Four valve, and are connected to each ridge area channel, cold
But flow flows through the ridge area channel from the dispensing orifice and flows to valve surrounding；The Four valve is by inlet air flow to being divided into two
Inlet valve and two exhaust valves, the dispensing orifice are circumferentially with three flow assignment channels being arranged along its length, and three
Ridge area channel of the flow assignment channel described in item respectively between two exhaust valves is connected to, and with two air inlets
Door is connected to two ridge areas channel between exhaust valve.
2. Cooling Water Jacket of Cylinder Head structure according to claim 1, which is characterized in that the ridge area channel is set to described
Lower water intracavitary.
3. Cooling Water Jacket of Cylinder Head structure according to claim 2, which is characterized in that three flow assignment channel positions
Top in the corresponding ridge area channel, and the lower end of the flow assignment channel and the corresponding ridge area channel
Inlet transition connection.
4. Cooling Water Jacket of Cylinder Head structure according to claim 3, which is characterized in that be located between two exhaust valves
The flow area in ridge area channel be respectively greater than the stream in two ridge areas channel between two inlet valves and exhaust valve
Logical section.
5. Cooling Water Jacket of Cylinder Head structure according to claim 1, which is characterized in that the outside wall surface of each valve is set
It is set to the arcwall face of evagination.
6. Cooling Water Jacket of Cylinder Head structure according to claim 5, which is characterized in that the outside wall surface of the valve is equipped with packet
Enclose the cooling cavity of annular of the outside wall surface.
7. Cooling Water Jacket of Cylinder Head structure according to claim 6, which is characterized in that the cooling cavity of annular is located at institute
State upper water intracavitary.
8. a kind of cylinder head, which is characterized in that it is equipped with such as claim 1-7 any one of them Cooling Water Jacket of Cylinder Head knots
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610079400.5A CN105715402B (en) | 2016-02-04 | 2016-02-04 | A kind of Cooling Water Jacket of Cylinder Head structure and cylinder head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610079400.5A CN105715402B (en) | 2016-02-04 | 2016-02-04 | A kind of Cooling Water Jacket of Cylinder Head structure and cylinder head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105715402A CN105715402A (en) | 2016-06-29 |
| CN105715402B true CN105715402B (en) | 2018-08-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610079400.5A Active CN105715402B (en) | 2016-02-04 | 2016-02-04 | A kind of Cooling Water Jacket of Cylinder Head structure and cylinder head |
Country Status (1)
| Country | Link |
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| CN (1) | CN105715402B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014671B (en) * | 2016-08-08 | 2018-04-13 | 安徽江淮汽车集团股份有限公司 | A kind of cylinder head water jacket |
| CN106224117B (en) * | 2016-08-30 | 2019-03-29 | 潍柴动力股份有限公司 | A kind of cylinder and its cylinder head |
| CN109233876B (en) * | 2018-10-15 | 2024-01-09 | 中冶焦耐(大连)工程技术有限公司 | Three-dimensional water-cooling coke quenching car with bottom supplied with water in single way and working method thereof |
| CN109854403B (en) * | 2018-12-21 | 2020-08-21 | 潍柴动力股份有限公司 | Cylinder head and engine with same |
| AT523950B1 (en) * | 2020-06-18 | 2022-03-15 | Avl List Gmbh | Cylinder head for an internal combustion engine |
| CN113719376B (en) * | 2021-09-26 | 2023-03-17 | 一汽解放汽车有限公司 | Cylinder head, cylinder head cooling system, engine and cylinder head cooling method |
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| JP2001164986A (en) * | 1999-12-07 | 2001-06-19 | Toyota Motor Corp | Cylinder head |
| CN201517449U (en) * | 2009-10-11 | 2010-06-30 | 襄樊市长源东谷实业有限公司 | Open type ridge area double-layered water chamber cylinder cover |
| CN101865047A (en) * | 2010-01-28 | 2010-10-20 | 无锡开普动力有限公司 | Water channel structure of cylinder cover |
| CN102588138A (en) * | 2012-03-14 | 2012-07-18 | 北京理工大学 | Design method for accurate cooling based on structure of cylinder cover |
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| JP5703805B2 (en) * | 2011-02-08 | 2015-04-22 | トヨタ自動車株式会社 | Engine and cylinder head |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3921754A (en) * | 1973-03-29 | 1975-11-25 | Rainer Hess | Muffler having a connection between its disks and the tube lengths extending therethrough |
| AT5301U1 (en) * | 2001-01-29 | 2002-05-27 | Avl List Gmbh | CYLINDER HEAD FOR MULTIPLE CYLINDERS |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106444A (en) * | 1975-04-03 | 1978-08-15 | Motoren-Und Turbinen-Union Friedrichshafen Gmbh | Individual cylinder head |
| JP2001164986A (en) * | 1999-12-07 | 2001-06-19 | Toyota Motor Corp | Cylinder head |
| CN201517449U (en) * | 2009-10-11 | 2010-06-30 | 襄樊市长源东谷实业有限公司 | Open type ridge area double-layered water chamber cylinder cover |
| CN101865047A (en) * | 2010-01-28 | 2010-10-20 | 无锡开普动力有限公司 | Water channel structure of cylinder cover |
| JP5703805B2 (en) * | 2011-02-08 | 2015-04-22 | トヨタ自動車株式会社 | Engine and cylinder head |
| CN102588138A (en) * | 2012-03-14 | 2012-07-18 | 北京理工大学 | Design method for accurate cooling based on structure of cylinder cover |
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| CN103867332A (en) * | 2012-12-17 | 2014-06-18 | 安徽华菱汽车有限公司 | Water-cooled engine and cylinder cover thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105715402A (en) | 2016-06-29 |
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